New OEM RA Shortblock W- Forged CP Hybrid Pistons 99.5 Forced Induction 16 Spring Seat Locators

16 Spring Seat Locators

2013 Subaru Impreza WRX Premium 2

CDI specific windings

Vipec V88 (Note: Loom B/Pin Kit B will also be required)

What is Dual Slope Matching

New OEM RA Shortblock W- Forged CP Hybrid Pistons 99.5 Forced Induction 16 Spring Seat LocatorsOutfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car. These custom pistons are made specifically for use with the S20 cylinder heads found on the 02 05 WRX and other EJ20 applications without cylinder head combustion chamber modification. This configuration includes: Custom Outfront Motorsports spec Hybrid CP piston set (25. 5cc) for EJ20 Heads New OEM STI black Nitrite 2017+